package service;

import entity.Dbdetails;

import java.util.List;

public interface DbdetailsService {
    //查询订单详情
    public List<Dbdetails> ordernumber(String ordernumber);
    //查询数据库是否存在
    public Dbdetails queryone(Dbdetails db);
    //修改数量或类型
    public int update(Dbdetails db);
    //添加
    public int add(Dbdetails db);
}
